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习题练习：Physics Unit25: Optical Instruments
本习题练习试卷来源于51fly国际课程 (https://51fly.win)， 为试卷打印版，您也可以在网站平台(https://autoconfig.51fly.win/)直接 访问本试卷的在线电子版并查看正确答案与解析，搜藏保存任意题目到收藏集。 访问方法: 平台首页左上角"通过试卷号快速访问"输入试卷号 120，并点击直达试卷；或浏览器地址栏内直接输入本试卷链接 https://autoconfig.51fly.win/test120.html  教师使用本平台可以抽题组卷或一键复制他人试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力。
 作者: physics  发布日期: 2023-05-01 10:00    总分: 51分  得分: _____________

答题人: 游客未登录  开始时间: 23年05月01日 10:00  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The length of time the shutter is open and the film w06bf 6k 2v6hlnjex 4e/ p;thiumj15e is exposed in a camera is determined befv; ln4 /j6k 2 e1mp5wiut0x66jhebhy the

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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The amount of light reaching the film in a camera is determined by theanpa-lwl+3s 7; lrz 46vfwp4 ixa1tnk2dv-u:

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a single-lens reflex camera the lensv5 qt1zpi4c9ug 1az:b 93c7.o hstefm : i+les-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obtain: e 4f i:msqa997ecps3+5. c1ittlgozv1b zuhed, this means that

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A camera lens that covers tawl8rodrp w*o)9 () fwhe film with a field of view that corresponds approximately to thatla9 wor(drp8w ))of *w of normal vision is referred to as a

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A camera lens that acts like a telescope to magnify js 3x ufv3i8(uimages is referred to as a

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A camera lens that covers35ydqffjw sv5t*wmjou2l7chvg-* 8 q6 4 nv7r the film with a wider field of view than that of the eye and through which objects appear smaller is gun *o sht2v-ff8cv7m5jw qlj7*3 rw4v6 qy5dreferred to as a

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In which of the following ways is a camera different from the human eye?t ip 5vuz;*6zo

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principal refraction of u9 u42, rd(vx qu lj0lcs3/ydklight by the eye occurs at the

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The closest distance at wkwu1ek.:dh:z a(cu3i hich an eye can see objects clearly is

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The farthest distance at which an eye can see objects clec h47czyeonk 35gjy9s 8gn3g8arly is

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a person's eyeball is too long from front to back, the person is likely to sulj;,jnkx-b zu*gm z:,4xqnaz; + pf3ifferk,anj -fiul3+zn:xg ;,mqzxbj 4p *z; from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usually beh7f l5o90x3 rcevm:eerk/2al corrected with

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the human eyeball is too long from front to back, this gives rise to a visio i-yyu a7y:3qowc0/ u6yxb4zhn defect that can bec-i0uy7 u3 6a4yxy:wyzb/hqo corrected by using

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a person's eyeball is too short from fronhqu9+;kh1g dg 2e2u art to back, the person is likely to sufferhhgu k deq2g+2;ar19u from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usually be correcor6xlplpl,r,hm8o4 ldp3 )8 fted with

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the human eyeball is too short from front to back, this gives rise to9 amw:,6;2 xad*yoo0tqsi xrf a vision defect that can be corrected 9d*0axtosixq y mw: 2,r;6a ofby using

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What type of lens is a magnifying glass/j*qwo 0 ln(xt 2hy,cz?

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An important reason for using a very large diametpe:*qkoh )m+ ger objective in an astronomical telescope ig) oemkhp+q: *s

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider the image formed by a refracting telesj 3qejhi(vjb t ,*s/j2cope. Suppose an opaque screen is placed in fronj3* ,j tjesiv(bhj2q/t of the lower half of the objective lens. What effect will this have?

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Assuming the film used has uniform sensiti f:u7z1sexa2( u nohnqgiv0ttz;s .65vity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two clh(nut0az2sx17vu6g o5.in: t qf s;ezosely spaced stars? (The lens referred to is the objective lens of the telescope used.)

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A refracting telescopbgch z mk-.l6 kv2j:(f o,um/ge has a magnification $m$. If the objective focal length is doubled and the eyepiece focal length is halved, what is the new magnification?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  With what color light would you expazv8f9 . ow4vject to be able to see the greatest detail whea z 4wo9jf.8vvn using a microscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffp gms9 xv6hf1o)jre j)-kq5 :xqfe63e er from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer j,z .f k4i lb*xruak33, nv t*hjo.vd+from

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The resolving power of a microscope refers to the ability tb** xja2pya v7t(2oy dzvu( h9o

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26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the diameter of a radar dish is doubled, what happens to its resolving power7zh5+zzp((l5w.*n 1gyqtb)goc v tx h assuming that all other factorsgh.lgyt7cxz(o)+5* zwzb(1 q v5tnp h remain unchanged? Its resolving power

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A near-sighted person has a far point of 18 cm. What lens (in diopters) b znf1(qdqy, , t ,c3ayv*ixm8m7;fepwill allow this person to see distant obj;,aim f,q*8xvpb mn dz1tc37q(eyy f,ects clearly?

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person cannot see clearly lv8kj(peunohl)ol2( ri,mjk( 4xl w6( /jl p:objects more than 70.0 cm away. What power of lens should be prescribed if th,k/ (h(o2 (enmlx:plj p 8 l4lv()6kujjrlwioe glass is to be worn 1.00 cm in front of the eye?

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A nearsighted person wears glc ztyg ug:g4) 7+zhq)nasses whose lenses have power of -0.15 D. What is the n+ y ggq:zt u7c)g4zh)person's far point if the glasses are very close to the eyes?

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What power lens is needed zlnhl4m 6 ;o*oto correct for farsightedness where the uncorrected near point zh mno6l;o*l4is 75 cm?

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31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The near point of a farsighted person is 100 cm. She places reading glasses clo( ev s-we0sdn)se to her eyes, and with them she can comfortably read a newspaper at a distance of 25w 0ns(dvese)- cm. What lens power is required?

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32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A farsighted person can read a newspaper held uyi iau d9a9zin4n4 w 4 i1tk9.xiq0e)25 cm from his eyes, if he wears glasses ow4q04u izi9edana n.i91kt yui)9 xi4f
+3.33 diopters. What is this person's near point?

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A magnifying lens hasj1w;- vpo tw6m a focal length of 10 cm. A person has a near point of 25 cm. What is theowj6m- ;1tvp w magnification of the lens for that person when their eyes are focused at infinity?

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A magnifying lens has a focal length of 10 9psz6+ dgyd0 ccm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at y c69ps zdg+d0their near point?

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A magnifying glass hak71 4ie h46vgy (wzaxfs a focal length of 7.0 cm. What is the magnification if the image ise 74fwxg y4a 16(khviz viewed by a relaxed eye?

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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person uses a converging lens of focal length 5.0 cm as a magnifying yb+ eb. ,yvje, b4tp)uglass. What is the maximum possible magnifica+vtu epy4ejb b)y.,,b tion?

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person uses a converging lens of focal length 5.0 cx6o6p6l xi z:xm as a magnifying glass. Whlp6 :zixxx6 6oat is the magnification if the person's eye is relaxed?

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You have available lenses of focal lengths 2.0 cm, 4.0 cm, 8.0 gk29ea0a9i+dx ris w;4 b wci)cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the maximum magnificatiaida2+)0ew kgicbwxi 94 sr; 9on you could achieve?

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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You have available lenses of foq1v+)i rorxe1 cal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lee)oq1rx1 +i rvnses to build a telescope, what is the lens separation for the maximum magnification telescope?

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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The objective of a telescope has a focal len lp8om--fdmk dq db490gth of 200 cm and its eyepiece has a focal f -dm-8d9dkmo bp4q l0length of
1.1 cm. What is the magnification of this telescope when viewing an object at infinity?

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41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A student constructs af7vqwp ucr22b5y 8 dw*n astronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50y7r 2dp v58wcf u*2qbw cm, what is the focal length of the eyepiece?

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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A student constructs an as+urnmn- thsmo.6+qc; aetdn5 n: q)e 4tronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the 5un hmadr:e.eq6qnm4n - o)ts+ntc+;resulting length of the telescope?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person is designing a 10X telescope. If the telescope is k)e:bsu q,/3msz 1yvnz p,r; vlimited to a length of 20 cm, what is the approxi b3:vzse1,kvs/ nrmu, )yzp;qmate focal length of the objective?

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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A microscope has an objective lens of foceykl:s, k;e*kal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum y ;ek:e,l*k skeyestrain. A blood sample is placed 1.5 mm from the objective. How far apart are the lenses?

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A microscope has an objective 6hcykfio +fca8:bk6r z4w1j 0lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective.+6zbrfch 6a1yk fj4oiw k0 :8c What is the overall magnification?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A compound microscope has an objective with a focal length of 3.00 mdlf-zoas 4,,bhc xal76 5mslxys,t2 ( m and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the total magnificf,t(m4a l7zyc ,bsl-as ox2dl,sx5h 6ation?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A compound microscope has a5sp922 k*3a6gniwj qa/ skc4 cowoky: 18-cm barrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnificak oq3 waca2: 49kcw *is2sokg6np y5/jtion of 240?

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A binary star system in the constellat he 3kw4qq,7iaion Orion has an angular separation of 10-5 rad. If the wav74iqahk3w q e,elength of the light from the system is 500 nm, what is the smallest aperture (diameter) telescope that can just resolve the two stars?

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49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A compound microscope is designed to resolve objects whichjyr: i ;mhgam5kday)y( 4u4d ( are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light uj );:yir4y45d kghmyum(a ad(sed is 550 nm, what is the diameter of the objective?

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50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The pupil of a person's eye changessq; +zo8q/x c(nbfhz;fboiwr,sv ( 3* from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolution chang ziz v;no ssc* ,f(f;(+bbwhq/ 3qo8xre?

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51#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The 2.4-m reflecting Hubble Space Telescope has been placed intst(sj)q*x5: -dxb8;g1 p f+ohqd awhkuy,y1f o Earth orbit by the space shuttle. What angular resolution coul5 j-hapu ( 1:yd8ysxgfqq *fdb+tkwox;, s)h1 d this telescope achieve if the wavelength is 500 nm?

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